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Power Sources Unlimited, Inc.

200 Stonewall Blvd., Wrentham, MA, 02093, US

  • 800-966-7784
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Power Sources Unlimited, Inc.

Health, Medical and Dental Supplies & Equipment, Electrical Equipment & Systems

AC/DC 150 W Power Supplies serve BF rated medical applications.

May 6, 2015

Supplied in 2 x 4 x 1.3 in. open-frame package, single-output PMAM115 Series delivers 115 W continuous power with 7 cfm forced air cooling. Universal input is 85–264 Vac; available output voltages are 12, 24, or 48 Vdc; and efficiencies reach up to >91%. Design meets 2x MOPP and EN/UL 60601-1 3rd edition safety standards, and products are intended for direct patient contact (BF rated) medical applications (not life-support equipment). MTBF is >100,000 hr at full load and 25°C ambient. Read More

Electrical Equipment & Systems

DC-DC Converters target railway applications.

March 12, 2015

Featuring EN 50155 approval for railway applications, TRACO TEQ-WIR Series comprises 100, 160, and 200 W models with single output voltages of 12, 24, 28, and 48 Vdc. Chassis mount units have 4:1 input voltage ranges with efficiency up to 90%. Overall heatsink construction allows operating temperature up to +70°C with natural convection cooling, without power derating. Suited for battery-operated systems, converters include output voltage trimming, 2,250 Vdc I/O isolation, and remote on/off. Read More

Controls & Controllers, Electrical Equipment & Systems

Lead Acid Battery Controller features DIN-Rail mount design.

February 12, 2015

Featuring redundant inputs for two independent sources, modular TSP BCMU360 Series provides management system with which to charge and monitor external lead-acid battery. These 360 W, shockproof and vibration proof units, intended for uninterruptible 24 and 48 Vdc bus voltage, operate from -25 to +70°C and incorporate battery protection system for over-voltage, deep discharge, short circuit, and reverse connection. Other features include alarm signals, remote on/off, and metal casing. Read More

Health, Medical and Dental Supplies & Equipment, Electrical Equipment & Systems

Compact AC/DC Power Supplies serve medical and ITE applications.

January 13, 2015

Designed for non-life support applications that require EN/UL 60601-1 safety standards, single-output PM202 Series delivers 200 W continuous power with 5.3 cfm forced air cooling or 150 W with convection cooling. Features include 12–48 Vdc outputs, universal input range of 100–240 Vac with active PFC, efficiencies >87%, and 300,000 hr MTBF at full load at 25°C ambient. Measuring 3 x 5 x 1.5 in., PCB construction features U-bracket for mechanical support and heat sinking. Read More

Electrical Equipment & Systems

Universal 600 W Power Supply offers up to 93% efficiency.

January 5, 2015

Supplied in metal enclosure with screw terminal blocks, TRACO Power TXH 600 Series comprises 12–54 Vdc output power supplies with universal input of 90–264 Vac or 120–370 Vdc. Active power factor correction (>0.95) is standard, and current sharing supports up to 3 units in parallel. Along with various design-inherent protections, features include adjustable output voltage, remote control on/off, +5 Vdc auxiliary output, and IEC 60320 C14 power inlet with integrated fuse and switch. Read More

Electrical Equipment & Systems

DC/DC Converters are designed for low ripple and noise.

December 3, 2014

Supplied in 6-sided, shielded, metal DIP-24 package, 5 W TVN 5WI Series offers 4:1 input ranges of 9–36 Vdc and 18–75 Vdc with both single (3.3, 5, 12, 15, and 24 Vdc) or dual (±5, ±12, ±15, and 24 Vdc) outputs. Features include remote on/off, adjustable output voltage, over-voltage protection, under-voltage shut down, and short-circuit protection. Operating from -40 to +85°C without power derating, RoHS compliant products offer conducted noise compliant with EN 55022 class B. Read More

Electrical Equipment & Systems

Unregulated DC/DC Converter features 5,200 Vdc isolation.

October 2, 2014

Supplied in SIP-7 package, 1 W TMV-HI Series comprises 40 models covering 4 input voltages (5, 12, 15, and 24 Vdc) and single (3.3, 5, 9, 12, 15 Vdc) or dual (±5, ±9, ±12, ±15, and ±15/-9 Vdc) output voltages. Products operate from -40 to +85°C (without power derating) and incorporate continuous short-circuit protection as well as UL/cUL 60950-1 and IEC/EN 60950-1 compliance. Areas of use include space-critical IGBT applications in appliances and transportation.
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Health, Medical and Dental Supplies & Equipment, Electrical Equipment & Systems

AC-DC Power Modules comply with medical safety standards.

September 10, 2014

Offering 3 power classes of 24, 40, and 60 W, TMM Series is available in single or dual outputs of 5, 12, 24, 48, ±12, and ±15 Vdc. Units offer efficiency up to 87%, universal input range of 90–264 Vac, and both over-voltage and short-circuit protection. Fully encapsulated and designed for PCB assembly or chassis mounting with screw terminals, power modules operate from -40 to +60°C and comply with IEC/EN 60601-1 3rd Edition medical safety standards, suitable for patient vicinity applications. Read More

Electrical Equipment & Systems

AC/DC Power Supplies (15-320 W) come in metal enclosure.

July 30, 2014

Delivering up to 89% efficiency, TXM Series accepts 90–264 Vac input and includes 40 standard models with single outputs from 3.3–48 Vdc ±10 adjustable output voltages in 9 power ranges from 15–320 W. Low-profile case, with screw terminal connection and optimized thermal design, facilitates installation in equipment. In addition to reliable operation up to 70°C ambient, products offer EMC immunity, conformal coating, and mechanical design suited for harsh industrial environments. Read More

Electrical Equipment & Systems

DC/DC Converters meet medical safety standards.

May 9, 2014

Meeting 2x MOPP and IEC/EN 60601-1 3rd Edition medical safety standards, THM-WI series includes 3, 6, and 10 W power classes in DIP-24 package with reinforced insulation. Models are available with 3.3, 5, 12, 24, ±5, ±12, and ±15 Vdc fully regulated single or dual outputs and 4:1 input ranges of 4.5–9 Vdc, 9–36 Vdc, and 18–75 Vdc. Along with efficiency up to 90%, features include <2 µA leakage current, I/O isolation system tested with 5,000 Vac, and 40 to +85°C operation without derating. Read More

Electrical Equipment & Systems

Surge Suppressors target LED applications.

October 8, 2013

Rated up to 20 KV/10 KA, Magtech SS20 Surge Suppressors are used in tandem with LED drivers and fluorescent ballasts to provide added level of protection against harmful power transients in dry, damp, and wet environments. Units include thermal protection device per UL1449 (Type 4),  LED indicator, and ½ in. NPT threads for installation. Housed in IP66-rated case with 3 wire leads, units operate from -40 to +85°C and are available for 120, 277, and 480 Vac power. Read More

Electrical Equipment & Systems

Fully Regulated 6 W DC/DC Converter comes in SIP8 package.

July 5, 2013

Operating from -40 to +65°C without power derating, TMR6 Series comprises 36 isolated converters that collectively cover four 2:1 input voltage ranges (4.5–75 Vdc) and 9 output voltages: 3.3, 5, 9, 12, 15, 24, ±5, ±12, and ±15 Vdc. Size and efficiency make these products suited for space-critical applications in communication equipment, instrumentation, and industrial electronics. Features include continuous short-circuit protection, remote on/off control, and 1,500 Vdc I/O isolation. Read More

Electrical Equipment & Systems

DC-DC Brick Converters provide up to 700 W.

June 14, 2013

Housed in quarter, half, and full brick packages, base-plate cooled DC-DC Power Supplies provide up to 700 W without fan cooling or forced airflow. Units feature 2:1 or 4:1 wide input voltage ranges, output voltage adjust, and remote On/Off, as well as over-current, short-circuit, over-voltage, and over-temperature protection. Available with optional heat sinks, mounting kits, thermal pads, and EMC chokes, converters are suited for railway and industrial applications. Read More

Health, Medical and Dental Supplies & Equipment, Electrical Equipment & Systems

AC/DC 30-48 W Power Supplies meet medical approvals.

May 9, 2013

Offering 1-, 2-, and 3-output models with voltages from 5–48 Vdc, PM42 Series comprises 2 x 4 x 1.18 in., open-frame PCB constructed power supplies that meet UL60601-1 third edition medical safety and EN60950-1 ITE safety standards. Features include 90–264 Vac universal input, efficiencies up to 88%, over voltage and short circuit protection, leakage current of 150 µA max @ 264 Vac, and 4,000 Vdc input-ground withstand voltage. All models are available with optional chassis cover. Read More

Electrical Equipment & Systems

AC/DC Power Modules have high-efficiency, encapsulated design.

April 12, 2013

Supplied in fully encapsulated plastic case with screw terminal block for chassis mounting, TML 100C Series includes 85–100 W power modules with efficiency ratings up to 93%. Universal 90–264 Vac and 120–370 Vdc input and protection class II features make these products suited for space-critical applications in commercial or industrial equipment. Other features include active PFC, power factor >0.95 (230 Vac) and >0.99 (115 Vac), remote On/Off input, and -25 to +70°C operating range. Read More

Electrical Equipment & Systems

Configurable 48 Vdc Power Source serves telecom industry.

March 18, 2013

Offering 95.5% power conversion efficiency, Flatpack S comes in 1U standard-width telecom power shelf that measures 10.3 in. deep x 1.6 in. high. Both 40 and 100 A versions are managed by Smartpack S controller, which monitors all active components and batteries. Able to be configured for various output power levels, flush- or mid-mounted system offers 2 plug-in battery breaker positions, low voltage battery disconnect, and various load options. Read More

Electrical Equipment & Systems

AC/DC Power Supplies (100 W) achieve start-up down to -40°C.

February 13, 2013

Supplied in 1U high chassis, NXT-100 series includes 8 models with universal 85–264 Vac input; adjustable, single outputs from 2.5–48 Vdc; and power density of 8.9 W/in.³. Efficiency is 85% typ, and line and load regulation are 0.5%. Achieving unit start-up down to -40°C (-WT models), series supports operating temperatures up to +70°C with airflow and integrates protection circuitry. Options include remote inhibit/enable and single wire load sharing. Read More

Electrical Equipment & Systems

DC-DC Converters feature reinforced insulation.

January 28, 2013

Housed in 2 x 1 in. package, 10 Watt THB-10 Series includes 12 standard models with 5, 12, ±12, and ±15 Vdc fully regulated single or dual outputs. Units feature 4,200 Vac isolation and 2:1 input voltage ranges of 9–18, 18–36, and 36–75 Vdc. Safety approved to IEC/EN/UL 60950-1 industrial and IEC/EN/UL60601-1 3rd edition medical safety standards, converters include overload protection, continuous short-circuit protection, and 2x MOOP rating. Operating temperature is specified for -40 to +85°C. Read More

Electrical Equipment & Systems, Green & Clean

AC-DC Switching Power Supplies suit LED lighting applications.

January 11, 2013

Housed in 1U chassis measuring 3.3 x 5 x 1.5 in., 375 Watt Series XL375LED offers single outputs of 12, 24, 28, 36, 40, 48, or 56 Vdc along with 12 V/1 A auxiliary output and 5 V/1 A standby output. Constant-current units feature power density of over 15 W/in.³ with efficiency up to 93%. Operating from universal input of 90–305 Vac, RoHS-compliant power supplies include remote On/Off, active power factor correction, current sharing, and inrush current protection. Read More

Electrical Equipment & Systems

Compact 360 W AC/DC Power Supply offers up to 93.5% efficiency.

January 2, 2013

Available in open-frame and U-frame/cover versions that respectively measure 3 x 5 x 1.6 in. and 3.4 x 5.4 x 1.7 in., CFM361S Series includes single 12, 24, and 48 V output models with 5 VSB @ 500 mA and 12 V fan output @ 300 mA. All feature remote voltage sense and on/off remote control as well as 90–264 Vac universal input range with active PFC. Suited for telecom, ITE, and industrial equipment applications, series operates from -20 to +70°C (open-frame) or -20 to +85°C (enclosed). Read More

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Power Sources Unlimited, Inc.